Which of the following best describes the displayport interface used for connecting video monitors to computers

DisplayPort can send both video and audio signals over the same cable.

DisplayPort uses a lower voltage than DVI or HDMI

Displayport uses a lower voltage than DVI and HDMI.

Explanation:

DisplayPort are cables and connector used to stream video, audio, usb or other kinds of data to the monitor screen of a computer. As defined, it can send video and audio signals on the same cable, over a long distance at a high speed.

The voltage requirement for DisplayPort is 3.3 volts while HDMI and DVI uses 5 volts.